Metalworking device



Jan. 14, 1941- c. P. CHAMBERLXN METAL WORKING DEVICE Original Filed Nov. 11, 193"! 4 sheets -sheet 1 Jan. 14, 1941. c. P. CHAMBERL IN METAL WORKING DEVICE Original Filed N'v. 11, 1937 4 Sheets-Sheet 2 azdmwazc'idnzerzz'm 1941- c. P. CHAN-BERLIN 2,228,506

METAL woman DEVICE Original Filed: Nov. 11. 1937 4 sheets shee-t I c. .P. CHAMBER LIN I 2,228,506

METAL woaxme DEVICE Original Filed Nov. 11; 1957 4 Sheets-Sheet 4 Jan. 14, 1941.

v grime/Mot Clara/7;! P (idly/wily.

n F n g s Patented Jan. 14, 1941 v UNITED STATES PATENT OFFICE MIETALWORKING DEVICE Original application November 11, 1937, Serial No. 174,085. Divi ed and this application April 13,

1939, Serial No 267,654

3 Claims. ((1164-49) This invention relates to apparatus for. forming and working metal articles and is a division of the copending application of Clarence P. Chamberlin, Serial No. 174,085, filed November One of the primary objects of the present invention is to provide an improved apparatus for automatically measuring the formed strip into desired lengths and severing the strip into such lengths.

A further object of the present invention is to provide an improved measuring and severing mechanism in which a. continuous strip of formed metal is automatically measured into desired lengths and in which the cutting means moves in unison with the measuring means and automatically actuates an operating mechanism in order to accurately sever the strip into such lengths.

A further object of the present invention is to provide a simplified structure for removing the severed, finished, strips from the machine.

Other objectsof the present invention will be- I come apparent from the following specification,

the drawings relating thereto, and from the 25 claims hereinafter set-forth.

In the drawings, in which like numerals are used to designate like parts in the several views throughout:

Figure 1 is a perspective view of aneapparatus embodying features of the present invention;

Fig. 2 is a fragmentary perspective view of the discharge end of the apparatus illustrated in Fig. 1; I

3 is a top plan view of the structure illus- 35 trated in Fig. 1;

Fig. 4 is a cross-sectional view taken substantially along-the lin'e l-l of Fig. 2;

Fig. 5 is a fragmentary front elevational view showing parts in cross-section taken substantially along the line 5--5 of Fig. 3;

. I Fig. 6 is a broken fragmentary front elevational 'view with parts in cross-section taken substantially along the line 6--6 of Fig. 3;

Fig. 7 is a cross-sectional view with parts in elevation taken substantially along the line of Fig. 6;

Fig. 8 is a cross-sectional view taken substantially along the line 8-8 of Fig. 6; Fig. 9 is a view similar to Fig. 6 with the par in adifferent operating position;

Fig. 10 is a top plan view of the structure illustrated in Fig. 9;

Fig. 11 isa perspective before rolling;

view of the strip stock Fig. 12 is a perspective view of the finished article;

Fig. 13 is a perspective view of a modified form of molding;

Fig. 14 is an elevational view taken substantially along the line H-ll of Fig. 3;

' Fig. 15 is a vertical cross-sectional view through a portion of the operating mechanism; and,

' Fig. 16 is an elevational view taken substantially along the line Iii-46 of ,Fig. 15.

In general, according to the present invention, a substantially fiat continuous strip of metal is passed through a forming or shaping machinein which the metal strip is shaped to the desired cross-sectional configuration. The forming machine is of conventional construction and forms no part of the present invention per se and is part of'the present invention only in the combination illustrated and claimed. The buffing or polishing machine is arranged in line with the forming machine so that as the strip of metal leaves the forming machine, it is passeddirectly onto a support on the finishing machine which guides and supports the formed strip in its passage through the finishing machine. The forming rollers on the-shaping machine are rotated in such a direction that the forming rollers serve as a driving means for passing the formed strip along the support on the finishing machine. The support is of a complementary sectional shape to the shape of the formed strip so that the strip is properly supported and the bufiing or polishing is thereby'facilitated. The bufiing or polishing wheels are universally mounted on the finishing machine so that they may be suitably positioned for proper engagement with the surfaces of the formed strip for properly finishing all surfaces thereof. After leaving the finishing machine, the strip is passed onto a measuring and cut-01f mechanism.; The measuring mechanism measstock I6 is rotatably supported for feeding a forming or shaping machine generally indicated at l8. The shaping machine 18 is of conventional construction, and includes a base I!) which supports a plurality of gear reduction driving .finishing machine generally indicated at 21.

mechanisms 20. Each of the driving mechanisms 20 has upper and lower drive shafts extending therefrom upon which are mounted an upper forming roller 2| and a lower forming roller 22. Vertical forming rollers 23 are also provided for shaping the sidix of the strip. The shaping roll-- ers are of suitable configuration so as to give the substantially fiat strip |6 the desired shape, and are aligned so as to provide a substantially straight forming pass through which the strip l6 passes. The rollers 2| and 22 are rotated in such a direction that the strip I6 is pulled from the reel i4 and fed toward the discharge end of the shaping machine l8. An operating bar 24 is provided for operating the forming machine and may be suitably connected to a prime mover housed within the base H! which is connected to the gear reduction mechanisms 20 in a suitable way.

After the formed or shaped strip 32 leaves the forming machine |8, it is passedthrough a pair of elongated blocks 25 which are held together by a clamp 26. The blocks 25 have complementary grooves formed within the facing sides thereof in which the grooves have configurations of the shaped strip. The blocks serve as guides and also serve to iron out minor wrinkles which the formed strip may have.

The formed strip 32 is then passed through a The machine 21 includes a base 28 which supports a longitudinally extending I-beam 29. Spaced angle irons 38 are disposed onthe top surface of the beam 29 and removably mount therebetween an elongated strip support 3|. The support 3| has a sectional shape complementary to that of the formed strip 32, as shown in Fig. 4, so that the strip 32 is securely and properly positioned as it passes through the finishing machine. The support 3| is aligned with thepath through the forming machine l8 and the forming rolls 2| and 22 serve to drive or feed the form strip 32 along the support 3|.

Finishing orbufling wheels 34 of conventional, suitable construction are disposed above the support 3| and are spaced therealong to engage and finish the outer surface of the formed strip 32. The wheels 34 are mounted upon drive shafts 36 (Fig. 5) for rotation therewith; and the shafts 36 are journaled within bearing supports 38. The support 38 is fixed to one end of a pivoted support 40 which is pivotally mounted by a pivot 4| to an upstanding U-shaped bracket member 42.

The bracket 42 is adjustably fixed to the base 28 by an adjustable nut and bolt means 44; and

wedges 46 and 41 are interposed between the base 28 and the bracket-42 for tiltably and adjustably mounting the bracket 42 and the wheel 34 relative to the base and to the work. The bracket 42 may also be rotated about the bolt 44 for rotatably adjusting the bracket 42 together with the wheel 34 relative to the support and to the work.

The supports 40 also have mounted thereon, on the side of the pivot 4| opposite to that of the wheel 34, a driving motor 48 which is suitably connected through a belt and pulley mechanism 5|! to a pulley fixed to the shaft 36 for driving the wheel 34. The driving mechanism is so constructed and arranged that the wheels 34 are driven in the same direction as the direction of movement of the work strip 32 past the wheel so that the wheels 34 assist to some extent in passing the strip 32 through the finishing machine.

' In order to adjustably mount the wheels 34 relative to the strip 32 in a vertical direction, the bearing support 38 is slidably mounted within a frame member 52 which has a curved plate member 54 fixed thereto at the bottom of the frame .52. An adjusting screw 56 is received through a threaded opening in a hand wheel 51 and is fixed to the bearing support 38 and received through an opening in the frame 52 so that by turning the hand wheel 51, the bearing support 38 may be slidably adjusted within the frame 52 for obtaining accurate adjustment. A spring 58 is mounted between the support 38 and the upper edge of the frame 52 in surrounding relation to the screw 55 for constantly urging the bearing support 38 downwardly.

For obtaining rough vertical adjustments of the wheel 34 and the shaft 36 about its pivot 4|, an upstandingrod member 68 is slidably mounted within a bracket 62 and extends upwardly throughsuitable openings in the base 28 and engages the under surface of the curved member 54. A cable or rope 64 is suitably connectedat 66 to the lower end of the rod member 80 and extends around a pulley 61 to which the cable 64 is attached at 68. The pulley 61 is secured to a shaft 10 for rotation therewith, and the shaft 10 is suitably supported on upstanding members of the base 28. The shaft Ill extends forwardly of the base, and has fixed thereto at its forward end a crank arm 12 for rotating the shaft 10, and therefore rotating the pulley 61. A ratchet wheel 74 is fixed to the shaft 18 and has associated therewith a stop pawl 16 which is fixed to the base 28 fer holding the shaft III in its adjusted position. It is evident that by suitably turning the crank arm 12 the pulley 61 is thereby rotated, thus raising or lowering the rod member 61 which in turn raises or lowers the shaft 36 pivoting the shaft 36 about its pivot 4|. The wheel 34 may thus be adjusted vertically relative to the work support 3|.

By the various adjustments above described which are provided for each of the wheels 34, it is evident that the wheels 34 may be adjusted to any suitable position so that the bufling or polishing surfaces of the wheels may be positioned to engage any of the surfaces of the strip 32. The adjustments above described have particular utility when a support having a shape complementary to that of the workpiece is provided in that the workpiece is properly supported in all directions and the wheel may be adjusted to apply the polishing or bufling force against the strip 32 inany direction while the strip 32 will be prop erly supported and cannot be displaced during the finishing operation.

Dust collecting housings II are provided over each of the wheels 34 and have exhaust conduits 88 associated therewith so that the dust adjacent the wheels 34 may be effectively removed and discharged at a suitable remote location.

After the slmped and finished strip 32 leaves the finishing machine 21, it is passed through a .ablerod members 96 are slidably received.

rod members 96 extend downwardly into the base anis'm'llwhere the strip isv measured into desired lengths and severed into these lengths.

The severing mechanism 86 is of conventional construction per se and includes a base portion 90 within which suitable operating mechanism is housed. QSuch operating mechanism is similar to a conventional punch press. A support member 92 is mounted on the base 90 and has a pair of upstanding guides 94 within which vertically mov- The the cam shaft rotates thecutter is moved up and down. The shaft 93 is connected to a driven member 99 through a. clutch I03. The member 99 is connected through a belt or gearing to a suitable source of power,-such as a motor and is constantly driven. When the clutch is thrown in it will-be evident that the cam shaft is rotated,

thereby effecting the cutting. A cross member 98 is fixed to the members 96 adjacent the tops thereof; and a longitudinally extending supportingguide member MI. is fixed to the under surfaceof the cross member 98.' The member IOI guides and supports a longitudinal movable carriage I02"to;-which a suitable downwardly extending severing or cutting element I04 is fixed.

.Another longitudinally extending supporting guide member I06 is fixed to the top of the support 92' and slidably supports a longitudinally movable carriage I08. The carriage I08 has mounted thereon a support H0 and guides II2 which support and guide the finished strip 32 as it passes through the severing mechanism.

The carriages I02 and I08 are connected for longitudinal "movement together by substantially "verticaltubular members II4 which are fixed to the carriage J08 andwhich are telescopically received within tubular members II6 fixed to the under surface' of the carriage I02. The carriages I02 and J08 are normally urged toward the dischargeend of the finishing machine 21 by means of acoil spring II8 which is connected to the carriage I08 and to the finishing machine 21.

Anoperating lever I20 is connected in the usual way to the operating mechanism of the severing means so that it strikesa member I2I when thrown in one direction to engage the clutch and rotate the cam shaft 93, and is normally urged to its. inoperative position by means of a coil spring I22 .which is connected to the lever I 20 and to the finishing machine 21. The lever ..I 20 is bent inwardly adjacent its upper end, as indicated at I24, and is provided with a notched member I26 grooves I3I along its side edge. A longitudinally slidable block I32 is mounted on the support I30 and has complementary portions which are slidably engaged in the grooves I3I for guiding and positioning the block. A brace member I33 is fixed to a sliding block I35, which is slidably mounted on the support I30 in the same manner as the sliding block I32, and is fixed to the block I32 for steadying the block, I32 as it moves along the support and preventing displacement of the block.

An elongated stop member I34 is pivotally mounted to the slide block I32 by means of a pivot I36 for movement with the block I32. The stop member I34 is adapted to lie in the line of travel of the finished strip 32; and as the finished strip 32 moves toward the right, it abuts against the stop I34, causing the stop I34 with the block I32 to be driven toward the right by the finished strip 32. An elongated rod member I38 is adjustably connected to the block I32 and to the carriage I08 so that the block member I32 and the carriage I08 move in unison. By suitably adjusting the distance between the block I32 and the carriage I08, the finished strip 32 may be severed into any desired lengths.

The stop member I34 has a roller I40 connected thereto, and as the stop member I34 with the block I32 approach the end of their travel simultaneously with actuation of the lever I20 for effooting the severance of the strip, the roller I40 strikes against and rides upon an inclined portion of a block I42 which is adjustably fixed to the support I30. The stop member I34 is thus moved upwardlyout of engagement with the leading edge of the finished strip'32 and the severed strip is then free to be discharged from the severing and measuring mechanisms. Duringthe travel of the member I34, the under surface thereof-rests upon and slides over the block I42.

For dischargingthe severed strip from the mechanism, an elongated flat spring I44 is fixed. to the carriage I08 and an elongated spring I46 is fixed to the support I30. The springs I44 and I46 engage one side of the finished strip 32 and are so constructed and arranged that they normally exert a force against that side of the strip. After the severing operation has taken place and after the stop I34 has been removed from engagement with the strip, the springs I44 and I46 are then permitted to function to throw the severed moldings from the machine to a position at which the moldings may be collected. 'Another spring member I 48 is'mounted on the support I30 and is adapted to engage the top surface of the finished strip 32 for assisting in properly positioning the strip 32 for the measuring and severing operation.

After the severing operation and after the molding has been discharged from the machine, the spring II8 functions to return the carriage I08 together with the block I32 and stop I34 toward the left to the initial positions of the members. 7

While in the structure above described a molding of a finished shape such as that indicated in Fig. 12 has been illustrated throughout, it will be appreciated that. by changing the shape of the forming rollers and by changing the shape of the support 3| that moldings of other sectional shapes may be made. For example, moldings having a sectional shape such as that indicated at I50 in.

shaping rollers and by the 'use of a support having a cross-sectional shape complementary to that of the molding (50.

Formal changes may be made in the specific embodiment of the invention described without departing from the spirit and substance of the invention, the scope of which is commensurate with the appended claims.

What is claimed is:

1. Apparatus of the class described comprising, in combination, a support, means for moving a continuous strip of molded metal along said support, a pivotally mounted abutment mounted for movement along said support in the path of said strip and engaged by said strip to move said abutment along said support, a member mounted on said support in the path of said abutment and engageable by said abutment to pivot said abutment arid move it out of engagement with said strip, severing means mounted for movement along said support in overlying relation to said strip, said severing means being vertically movable to sever said strip, means adjustably connecting said abutment with said severing means so that the abutment and severing means move along said support in unison, means to operate said severing means to sever said strip, and mea s connected to said severing means for movement therewith and associated with said last named means to actuate said last named means upon a predetermined movement of said severing means along said support.

2. Apparatus of the class described comprising, in-combination, a support, means for moving a continuous strip of molded metal along said support, a pivotally mounted abutment mounted for movement along said support in the path of said strip and engaged by said strip to move said abutment along said support, a member mounted on said support in the path of said abutment and engageable by said abutment to pivot said abutment and move it out of engagement with said strip, severing means mounted for movement along said support in overlying relation to said strip, said severing means being vertically movable to sever said strip, means adjustably-connecting said abutment with said severing means so that the abutment and severing means move along said support in unison, means to operate said severing means to sever said strip, means connected to said severing means for movement therewith and associated with said last named means to actuate said last named means upon a predetermined movement of said severing means along said support, and means automatically discharging the severed strips irom said support upon completion of the severing operation.

3. Apparatus of the class described comprising, in combination, a support, means for moving a continuous strip of molded metal along said support, a block member slidably mounted for movement along said support, an elongated member having one end thereof pivotally connected to said block'member and having the other end thereof forming an abutment disposed in the path of said strip and engaged by said strip'to move said block along said support, a member having an inclined surface mounted on said support in the path of said abutment and engageable by said abutment to pivot said elongated member and move it out of engagement with said strip, severing means mounted for movement along said support in overlying relation to said strip, said severing means being vertically mov-' able to sever said strip, means adjustably connecting said block member with said severing means so that said block member, said elongated member, and said severing means move alon said support in unison, means to operate said severing means to sever said strip, and means connected to said severing means for movement therewith and associated with said last named means to actuate said last named means upon a predetermined movement of said severing means along said support.

' CLARENCE P. CHAMBERLIN. 

